Home / 130,832,291.10-180,549,772.84-72,097,058.16

Finding the Fourth Proportional to 130,832,291.10, 180,549,772.84 and 72,097,058.16

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Solution

The fourth proportional to 130,832,291.10, 180,549,772.84 and 72,097,058.16 is: 99,494,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,832,291.10 : 180,549,772.84 = 72,097,058.16 : x
  2. Step 2: Convert to fraction form
    130,832,291.10/180,549,772.84 = 72,097,058.16/x
  3. Step 3: Cross multiply
    130,832,291.10x = 180,549,772.84 × 72,097,058.16
  4. Step 4: Simplify right side
    130,832,291.10x = 13,017,107,473,220,268
  5. Step 5: Solve for x
    x = 13,017,107,473,220,268/130,832,291.10
  6. Step 6: Final answer
    x = 99,494,607.67

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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.