Home / 65,421,388,134.13-90,281,515,798.94-35,347,872,675.50

Finding the Fourth Proportional to 65,421,388,134.13, 90,281,515,798.94 and 35,347,872,675.50

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Solution

The fourth proportional to 65,421,388,134.13, 90,281,515,798.94 and 35,347,872,675.50 is: 48,780,064,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,421,388,134.13 : 90,281,515,798.94 = 35,347,872,675.50 : x
  2. Step 2: Convert to fraction form
    65,421,388,134.13/90,281,515,798.94 = 35,347,872,675.50/x
  3. Step 3: Cross multiply
    65,421,388,134.13x = 90,281,515,798.94 × 35,347,872,675.50
  4. Step 4: Simplify right side
    65,421,388,134.13x = 3,191,259,525,411,895,771,136
  5. Step 5: Solve for x
    x = 3,191,259,525,411,895,771,136/65,421,388,134.13
  6. Step 6: Final answer
    x = 48,780,064,386.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.