Home / 349,459,047.18-524,189,316.78-142,051,074.93

Finding the Fourth Proportional to 349,459,047.18, 524,189,316.78 and 142,051,074.93

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Solution

The fourth proportional to 349,459,047.18, 524,189,316.78 and 142,051,074.93 is: 213,076,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,459,047.18 : 524,189,316.78 = 142,051,074.93 : x
  2. Step 2: Convert to fraction form
    349,459,047.18/524,189,316.78 = 142,051,074.93/x
  3. Step 3: Cross multiply
    349,459,047.18x = 524,189,316.78 × 142,051,074.93
  4. Step 4: Simplify right side
    349,459,047.18x = 74,461,655,915,421,280
  5. Step 5: Solve for x
    x = 74,461,655,915,421,280/349,459,047.18
  6. Step 6: Final answer
    x = 213,076,915.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.