Home / 153,406,830.65-211,700,024.03-83,792,190.65

Finding the Fourth Proportional to 153,406,830.65, 211,700,024.03 and 83,792,190.65

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Solution

The fourth proportional to 153,406,830.65, 211,700,024.03 and 83,792,190.65 is: 115,632,457.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,406,830.65 : 211,700,024.03 = 83,792,190.65 : x
  2. Step 2: Convert to fraction form
    153,406,830.65/211,700,024.03 = 83,792,190.65/x
  3. Step 3: Cross multiply
    153,406,830.65x = 211,700,024.03 × 83,792,190.65
  4. Step 4: Simplify right side
    153,406,830.65x = 17,738,808,773,712,382
  5. Step 5: Solve for x
    x = 17,738,808,773,712,382/153,406,830.65
  6. Step 6: Final answer
    x = 115,632,457.16

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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.